Detailed text transcripts for TV channel - CNN - 20170521:21:53:00
Of chemo therapy limiting her strength and immune system but she's determined to finish the race with her sister. >> right now that i'm halfway through treatments, i want to feel normal. >> cancer, that's not what defines my sister. >> cancer's not stopping me from running, not at all. >> reporter: this "star wars" theme disneyland half marathon takes a run through the magic kingdom. >> go! >> five miles in, the strain on her body is wearing her down, but her team was there to help her by mile 12, she got up to finish on foot. >> there you go. finish it strong. >> look at those happy faces. >>...